CN210140374U

CN210140374U - Universal lifting device for straight horizontal lifting of precast concrete member

Info

Publication number: CN210140374U
Application number: CN201920974439.2U
Authority: CN
Inventors: 欧岳峰; 易磊
Original assignee: Zhong Min Zhu You Housing Technology Group Co Ltd
Current assignee: Zhong Min Zhu You Housing Technology Group Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-03-13
Anticipated expiration: 2029-06-26

Abstract

A general lifting device for straight and horizontal lifting of a precast concrete member comprises a lifting tool and at least two steel wire ropes, wherein the lifting tool comprises a cross beam plate, a longitudinal beam plate, an inclined supporting beam plate and lifting lugs; at least three through holes for directly hanging steel wire ropes are arranged on the longitudinal beam plate along the length direction of the longitudinal beam plate, at least one of the three through holes is arranged in the front half area of the longitudinal beam plate in the length direction, at least one through hole is also arranged in the rear half area of the longitudinal beam plate in the length direction, and at least two steel wire ropes are respectively and directly hung in the two through holes; the lifting points of the straight flat crane are more than two, and at least three through holes can be suitable for the straight flat cranes of precast concrete members with different sizes. The utility model discloses a unique structure lift by crane the frock, can the control cost and guaranteed the biggest lifting force again. The through holes designed for hoisting are convenient for realizing straight and flat hoisting within a certain range, and the combination of the hoisting tool and the steel wire rope can hoist prefabricated parts with different sizes, so that the device has higher universality.

Description

Universal lifting device for straight horizontal lifting of precast concrete member

Technical Field

The utility model belongs to the technical field of housing construction engineering, concretely relates to directly hang flat general hoisting accessory for precast concrete component.

Background

Prefabricated concrete member of prefabricated building is more of a kind, including wallboard, floor, roof beam, stair etc. and the length and width size of every kind of component and the difference of hoist and mount mode lead to hanging the uneven distribution of nail, and the mode that wire rope hoisted has in the present precast concrete mill adopted, has following problem and not enough:

1. the contact position of the steel wire rope and the crane hook cannot move, the friction is large, the length of the steel wire rope at each lifting point is unequal during lifting, and when the stress of the lifting point is uneven, the component at the lifting nail is cracked.

2. The lifting angle of the member with larger span is smaller, so that the steel wire rope and the travelling crane bear the pulling force larger than the self weight of the member.

3. The lifting angle of the member with larger span is smaller, which also causes the cracking of the peripheral members of the hanging nail.

At present, the engineering site adopts a mode of customizing a tool to lift, and the following problems and defects exist:

1. the customized tool is adopted for hoisting, so that the universality is low;

2. the customization frock is comparatively heavy, bulky, uses inconveniently, and overall cost is on the high side.

Patent document CN201420177210 discloses a universal lifting appliance for a residential industrial concrete prefabricated part, which comprises a plurality of lifting lugs, a plurality of frameworks and a plurality of connecting ribs; a plurality of lifting lugs are welded at the upper part of each framework; the plurality of mutually parallel frameworks are welded into a square hoisting frame through a plurality of connecting ribs; the framework is formed by fixedly connecting two channel steels back to back, and a first hoisting steel plate with the same length is clamped between the two channel steels; the connecting ribs are formed by fixedly connecting two channel steels back to back, and a second hoisting steel plate with the same length is clamped in the two channel steels. The utility model discloses a solved multiple type of prefabricated building element's hoist and mount complicacy, change the longer problem of hoist time, nevertheless it has the structure complicacy, hoist weight is too big itself, and the welded point is also more not enough.

Thus, a new lifting device is needed.

Disclosure of Invention

The utility model aims to provide a general hoisting device for straight and horizontal hoisting of precast concrete members, which solves the problem that hoisting by adopting a steel wire rope in the background art easily leads to crack of a hoisting nail or a hoisting nail peripheral member; the problems of low universality, heaviness and high cost are solved when the customized tool is adopted for hoisting.

In order to achieve the above object, the utility model provides a general hoisting accessory of straight flat crane for precast concrete member, the hoisting accessory includes hoisting accessory and at least two wire ropes, the hoisting accessory includes crossbeam board, longeron board, bearing diagonal board and lug, the face of crossbeam board is upwards and downwards and the lug is fixed to be set up on the upper face of crossbeam board, the face of longeron board is perpendicular to the face of crossbeam board and longeron board fixed connection is on the lower face of crossbeam board, and the position of connection of longeron board and crossbeam board is the middle 3/5 position of crossbeam board width direction, the face of bearing diagonal board inclines to set up, the length direction of crossbeam board, longeron board and bearing diagonal board is the same, and one side of the width direction of bearing diagonal board is fixed connection with the lower face of crossbeam board, the opposite side of the width direction of bearing diagonal board is fixed connection with a face of crossbeam board, in the width direction of the cross beam plate, one inclined supporting beam plate is arranged on the left side of the longitudinal beam plate, and the other inclined supporting beam plate is arranged on the right side of the longitudinal beam plate; at least three through holes for directly hanging and arranging steel wire ropes are arranged on the longitudinal beam plate along the length direction of the longitudinal beam plate, the through holes are arranged below the fixed connection part between the inclined support beam plate and the longitudinal beam plate, at least one through hole is arranged in the front half area of the longitudinal beam plate in the length direction, at least one through hole is arranged in the rear half area of the longitudinal beam plate in the length direction, at least two steel wire ropes are directly hung in the two through holes respectively, the lifting points of the straight-flat crane are more than two, and at least three through holes can be suitable for the straight-flat crane of precast concrete components with different sizes.

Further, the through holes are set to be modulus holes, at least two groups of modulus holes are arranged along the length direction of the longitudinal beam plate, the number of the through holes in each group of modulus holes is more than 3, and the diameter of each modulus hole is 30-80 mm.

Furthermore, the number of the through holes of each group of the module holes is more than 6, and the distance between the circle centers of two adjacent holes in the same group of the module holes is 80-300 mm.

Furthermore, the hoisting device comprises four steel wire ropes which are correspondingly connected in four different through holes, and the front half area and the rear half area of the longitudinal beam plate in the length direction are respectively connected with two steel wire ropes; and the joints of the steel wire ropes and the through holes are all set into steel wire rope lantern rings.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a unique structure lift by crane the frock, in control cost, guaranteed the biggest lifting force.

The through holes for hoisting are designed, so that the straight and flat hoisting within a certain range is conveniently realized.

Through the reasonable combination that lifts by crane frock and wire rope, the utility model discloses can lift by crane not unidimensional prefabricated component, have higher commonality.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic view of a hoist according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a front view of an embodiment of the present invention;

fig. 4 is a left side view of an embodiment of the present invention;

wherein, 1, hoisting the tool; 2. a wire rope; 5. prefabricating a concrete member; 11. a beam plate; 12. a longitudinal beam plate; 13. a diagonal bracing beam panel; 14. lifting lugs; 121. and a through hole.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1

The utility model provides a general hoisting accessory of straight flat crane for precast concrete member, hoisting accessory includes hoisting accessory 1 and two piece at least wire rope 2, hoisting accessory 1 includes crossbeam board 11, longeron board 12, bearing diagonal board 13 and lug 14, the face of crossbeam board 11 is upwards and downwards and lug 14 is fixed to be set up on the upper plate face of crossbeam board 11, the face of crossbeam board 12 is perpendicular with the face of crossbeam board 11 and longeron board 12 is fixed connection on the lower plate face of crossbeam board 11, and the hookup location of longeron board 12 and crossbeam board 11 is the middle 3/5 position of crossbeam board 11 width direction, the face slope of bearing diagonal board 13 sets up, the length direction of crossbeam board 11, longeron board 12 and bearing diagonal board 13 is the same, and one side of the width direction of bearing diagonal board 13 and the lower plate face fixed connection of crossbeam board 11, the other side of the diagonal bracing beam plate 13 in the width direction is fixedly connected with one plate surface of the longitudinal beam plate 12, one diagonal bracing beam plate 13 is arranged on the left side of the longitudinal beam plate 12, and the other diagonal bracing beam plate 13 is arranged on the right side of the longitudinal beam plate 12 in the width direction of the transverse beam plate 11; at least three through holes 121 for directly hanging the steel wire ropes 2 are further formed in the longitudinal beam plate 12 in the length direction of the longitudinal beam plate 12, the through holes 121 are formed in the lower portion of the fixed connection portion between the inclined support beam plate 13 and the longitudinal beam plate 12, at least one through hole 121 in the three through holes 121 is formed in the front half area of the longitudinal beam plate 12 in the length direction, at least one through hole 121 is formed in the rear half area of the longitudinal beam plate 12 in the length direction, the at least two steel wire ropes 2 are directly hung in the two through holes 121 respectively, the lifting points of the straight and flat crane are more than two, and the at least three through holes 121 can be suitable for the straight and flat cranes of precast concrete members 5 with different sizes.

The utility model discloses a unique structure lift by crane frock 1, in control cost, guaranteed the biggest lifting force. The through holes for hoisting are designed, so that the straight and flat hoisting within a certain range is conveniently realized.

Further, the through holes 121 are set to be modulus holes, at least two groups of modulus holes are arranged in the length direction of the longitudinal beam plate 12, the number of the through holes 121 in each group of modulus holes is more than 3, and the diameter of each modulus hole is 30-80 mm.

Furthermore, the number of the through holes 121 in each group of the module holes is more than 6, and the distance between the circle centers of two adjacent holes in the same group of the module holes is 80-300 mm.

Further, the hoisting device comprises four steel wire ropes 2, the four steel wire ropes 2 are correspondingly connected in four different through holes 121, and two steel wire ropes 2 are respectively connected to the front half area and the rear half area of the longitudinal beam plate 12 in the length direction; the joints of the steel wire ropes 2 and the through holes 121 are all set into steel wire rope lantern rings.

When the hoisting device is a combination of the hoisting tool 1 and the steel wire rope 2, the straight horizontal hoisting is adopted, and the hoisting device is suitable for linear members with 2 hoisting points. The lifting tool is 3.1m long, is suitable for any linear member with the maximum weight not more than 12 tons, the length not more than 4m and the width not more than 3.3m when the weight is 450kg, and has high universality. And the self weight of the traditional hoisting tool needs to reach 1000kg to reach the same hoisting weight.

A lifting device comprising four steel wire ropes 2 is used for lifting a linear member with 2 lifting points, and the four steel wire ropes 2 are stressed uniformly.

The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions and replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The general lifting device for the straight and horizontal lifting of the precast concrete member is characterized by comprising a lifting tool (1) and at least two steel wire ropes (2), wherein the lifting tool (1) comprises a cross beam plate (11), a longitudinal beam plate (12), an inclined supporting beam plate (13) and lifting lugs (14), the surface of the cross beam plate (11) is upward and downward, the lifting lugs (14) are fixedly arranged on the upper surface of the cross beam plate (11), the surface of the longitudinal beam plate (12) is vertical to the surface of the cross beam plate (11), the longitudinal beam plate (12) is fixedly connected to the lower surface of the cross beam plate (11), the connecting position of the longitudinal beam plate (12) and the cross beam plate (11) is the middle 3/5 position in the width direction of the cross beam plate (11), the surface of the inclined supporting beam plate (13) is obliquely arranged, and the length directions of the cross beam plate (11), the longitudinal beam plate (12) and the inclined supporting beam plate (13) are the same, one side of the diagonal bracing beam plate (13) in the width direction is fixedly connected with the lower plate surface of the cross beam plate (11), the other side of the diagonal bracing beam plate (13) in the width direction is fixedly connected with one plate surface of the longitudinal beam plate (12), one diagonal bracing beam plate (13) is arranged on the left side of the longitudinal beam plate (12) in the width direction of the cross beam plate (11), and the other diagonal bracing beam plate (13) is arranged on the right side of the longitudinal beam plate (12); at least three through holes (121) used for directly hanging the steel wire ropes (2) are formed in the longitudinal beam plate (12) along the length direction of the longitudinal beam plate (12), the through holes (121) are formed in the lower portion of the fixed connection portion between the inclined support beam plate (13) and the longitudinal beam plate (12), at least one through hole (121) in the three through holes (121) is formed in the front half area of the longitudinal beam plate (12) in the length direction, at least one through hole (121) is formed in the rear half area of the longitudinal beam plate (12) in the length direction, at least two steel wire ropes (2) are directly hung in the two through holes (121) respectively, the lifting points of the straight-flat crane are more than two, and the at least three through holes (121) can be suitable for the straight-flat cranes of precast concrete members (5) with different sizes.

2. The hoisting device according to claim 1, wherein the through holes (121) are modular holes, and at least two groups of modular holes are arranged along the length direction of the longitudinal beam plate (12), the number of the through holes (121) of each group of the modular holes is more than 3, and the diameter of each group of the modular holes is 30-80 mm.

3. The hoisting device according to claim 2, wherein the number of the through holes (121) in each group of the module holes is more than 6, and the distance between the centers of two adjacent holes in the same group of the module holes is 80-300 mm.

4. The hoisting device according to claim 1, wherein the hoisting device comprises four steel wire ropes (2), the four steel wire ropes (2) are correspondingly connected in four different through holes (121), and two steel wire ropes (2) are respectively connected to the front half area and the rear half area of the longitudinal beam plate (12) in the length direction; the joints of the steel wire ropes (2) and the through holes (121) are all set into steel wire rope lantern rings.